
#SP426A
Data Isolator - 10BASE-T/100BASE-TX, 4-kV
Stop surges while letting high-speed traffic get through.
Product Features
- Compact and self-contained
- Install in-line and draw power from the network and connected equipment
- Meets European Medical Device Directive (EN6060-1)
- RoHS Compliant
This Black Box Data Isolator stop surges while letting high-speed traffic get through and protect equipment from being harmed by damaging ground loops caused by a difference in the ground potential of two connected devices. Compact devices that maintain Ethernet/Fast Ethernet communications across an electrical isolation barrier.

1 Year Double Diamond™ Warranty (Standard)
Take the risk out of equipment purchases with the Double Diamond™ Warranty from Black Box.
Our Double Diamond Warranty* protects your Black Box® brand products from manufacturing and/or material defects.
The SP426A comes with a standard 1 Year Double Diamond Warranty*. During the warranty period, Black Box will repair or replace your damaged equipment at NO CHARGE!*
What’s more, we also have a 30-day return policy on most products. Simply call Customer Service for a Return Authorization (RA) number, return your product in new condition and in the original package to receive a full refund.** Click here to find your local sales office to obtain a Return Authorization.
Extended Double Diamond Warranty.
Extend the warranty on select products or protect eligible previously purchased Black Box® brand items for an additional year - at just 10% of the original purchase price or for three years for only 20% of the purchase price.
* Warranty subject to certain exclusions and limitations. Click here to view our full terms and conditions.
** Returns contingent upon specific exclusions and limitations. Click here to view our full return policy.